Restructuring Costs and Other - Reserve (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				$ 24.5
Pre-tax Restructuring Costs		$ 4.8	$ 3.7	10.2	$ 9.5
Utilization and Foreign Exchange				(10.9)
Ending Accrued Restructuring Balance 6/30/2017		23.8		23.8
2017 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				6.5
Utilization and Foreign Exchange				(2.9)
Ending Accrued Restructuring Balance 6/30/2017		3.6		3.6
2017 Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				4.9
Utilization and Foreign Exchange				(1.4)
Ending Accrued Restructuring Balance 6/30/2017		3.5		3.5
2017 Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				0.0
Utilization and Foreign Exchange				0.0
Ending Accrued Restructuring Balance 6/30/2017		0.0		0.0
2017 Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				1.6
Utilization and Foreign Exchange				(1.5)
Ending Accrued Restructuring Balance 6/30/2017		0.1		0.1
2016 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				24.5
Pre-tax Restructuring Costs				3.7
Utilization and Foreign Exchange				(8.0)
Ending Accrued Restructuring Balance 6/30/2017		20.2		20.2
2016 and Prior Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				10.4
Pre-tax Restructuring Costs				(0.4)
Utilization and Foreign Exchange				(3.6)
Ending Accrued Restructuring Balance 6/30/2017		6.4		6.4
2016 and Prior Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				0.0
Utilization and Foreign Exchange				0.0
Ending Accrued Restructuring Balance 6/30/2017		0.0		0.0
2016 and Prior Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17	[1]			14.1
Pre-tax Restructuring Costs	[1]			4.1
Utilization and Foreign Exchange	[1]			(4.4)
Ending Accrued Restructuring Balance 6/30/2017	[1]	$ 13.8		$ 13.8

[1] (a) Facility closure and other costs as of 1/1/17 includes a charge of approximately $12.5 million to accrue the estimated liability associated with the anticipated withdrawal from a multi-employer pension plan as a result of a restructuring action.